diff --git a/docs/developer/useful/useful.odg b/docs/developer/useful/useful.odg
index 5397ada27a0a3052d2585fd9bdb4fad00e6218a6..d7240e8da2d17292266ffbad2efb4961ec31956b 100644
Binary files a/docs/developer/useful/useful.odg and b/docs/developer/useful/useful.odg differ
diff --git a/src/main/java/org/openepics/names/rest/controller/HealthcheckController.java b/src/main/java/org/openepics/names/rest/controller/HealthcheckController.java
index 2a564931d8fd9fd7f6dbe3cf98044f54f0f2d220..6cd9f2ce2adc3f20b10bbce71537d6f349d234ab 100644
--- a/src/main/java/org/openepics/names/rest/controller/HealthcheckController.java
+++ b/src/main/java/org/openepics/names/rest/controller/HealthcheckController.java
@@ -58,9 +58,9 @@ public class HealthcheckController {
      * @return server timestamp
      */
     @Operation(
-            summary     = "Perform healthcheck for Naming application in general and healtcheck endpoint in particular",
+            summary     = "Perform healthcheck for Naming application in general and healthcheck endpoint in particular",
             description = """
-                          Perform healthcheck for Naming application in general and healtcheck endpoint in particular.
+                          Perform healthcheck for Naming application in general and healthcheck endpoint in particular.
                           To be used mainly for checking HTTP response code, in particular HTTP STATUS OK - 200.
                           """
     )